Sanitary shield



FIG. 1 is a perspective view of a sanitary shield showing my new design;

FIG. 2 is a transverse sectional view of the sanitary shield, taken substantially on line 3--3 of FIG. 1.

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a sanitary shield, as shown. 